public class test {
    public static void main(String[] args) {
        MySingleList mySingleList = new MySingleList();
        mySingleList.createList();
        //mySingleList.display();
        //mySingleList.size();
        //System.out.println(mySingleList.contains(1));
        //mySingleList.addFirst(1);
        //mySingleList.addLast(1);
        //mySingleList.addIndex(5,1);
        mySingleList.removeAllKey(12);
        mySingleList.display();

    }
}
